CN110139010A - A kind of camera and its control method with deicing function - Google Patents
A kind of camera and its control method with deicing function Download PDFInfo
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- CN110139010A CN110139010A CN201910253652.9A CN201910253652A CN110139010A CN 110139010 A CN110139010 A CN 110139010A CN 201910253652 A CN201910253652 A CN 201910253652A CN 110139010 A CN110139010 A CN 110139010A
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- Prior art keywords
- camera
- deicer
- vehicle
- camera body
- static target
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
- B60S1/026—Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
- B60S1/566—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens including wiping devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
Abstract
The present invention relates to a kind of vehicle-mounted camera with deicing function, including camera body, camera body is equipped with camera lens, and the camera body is connected with deicer, and deicer is used to remove the frost on camera lens surface；The deicer includes tubular shell and the first transfer pipeline being arranged in inside tubular shell, first transfer pipeline is connected with nozzle in one end corresponding with camera lens, the other end is equipped with liquid reserve tank, liquid reserve tank is for storing liquid deicing salt, the liquid reserve tank is connected by pressure pump with the first transfer pipeline, and the pressure pump and vehicle control syetem communicate to connect.The vehicle-mounted camera can be realized the removing that automatic or manual is carried out to the frost on camera lens surface, even if making camera body temperature is lower, can be used normally in the biggish environment of humidity, it ensure that good image display effect, conducive to the usage experience for improving client.
Description
Technical field
The present invention relates to camera, in particular to a kind of camera and its control method with deicing function.
Background technique
With the fast development of automobile industry, much vehicle-mounted camera has been arranged in more automobiles, as panorama is parked camera shooting
Head, vehicle backing backsight camera etc..Currently, the vehicle-mounted camera working principle occurred on the market is typically all to first pass through lens focus
Optical signal, then converted optical signal by cmos sensor (Complementary Metal-Oxide-Semiconductor)
It is converted further into picture signal eventually by harness by electric signal transmission to display screen for electric signal and shows.In view of above-mentioned work
Make principle, the camera lens of vehicle-mounted camera is usually to be directly exposed in external environment.The camera lens of exposure in the environment is once in
Under the conditions of temperature is lower, air humidity is biggish, camera lens surface just inevitably generates the phenomenon that solidifying frost even freezes, special
The phenomenon that not being that camera is in off working state, coagulating frost or freeze, can be more obvious.Especially automobile is in normal driving process
There is solidifying frost or freezes in middle camera lens, and not only will affect image display effect, causes the usage experience variation of client or even situation tight
Weight when, can make client can not complete and accurate understand image in information, influence the safe driving of client.
Summary of the invention
In order to solve the above technical problems, The present invention provides a kind of vehicle-mounted cameras with deicing function, including take the photograph
As head main body, camera body is equipped with camera lens, and the camera body is connected with deicer, and deicer is for removing camera lens
The frost on surface；The deicer includes tubular shell and the first transfer pipeline being arranged in inside tubular shell, described
First transfer pipeline is connected with first jet in one end corresponding with camera lens, and the other end is equipped with liquid reserve tank, and liquid reserve tank is for storing liquid
Body deicing salt, the liquid reserve tank is pumped by first pressure to be connected with the first transfer pipeline, the first pressure pump and vehicle-mounted control
System communication connection.
Further, be additionally provided with the second transfer pipeline inside the tubular shell, second transfer pipeline with camera lens
Corresponding one end is connected with second nozzle, and the other end is equipped with water tank, and the water tank passes through second pressure pump and the second delivery pipe
Road is connected.
Further, the tubular shell is connected with lid, the lid in one end corresponding with first jet, second nozzle
On be respectively equipped with pore structure corresponding with first jet, second nozzle.
Further, the camera body is equipped with clamping portion, and the clamping portion is mutually clamped with deicer, the clamping
Portion is being equipped with shield with first jet, second nozzle opposite position.
A kind of vehicle-mounted camera de-icing method, based on a kind of above-mentioned vehicle-mounted camera with deicing function, including such as
Lower step:
Camera body temperature is obtained, camera body temperature is compared with temperature threshold；
When camera body temperature is lower than temperature threshold, at least two images are obtained by camera body；
At least two images are compared, static target in image is found out；
Calculate the area of static target；
When the area of static target is more than or equal to preset area, starting deicer, deicer is to fix duty cycle progress
Work is to remove static target.
Further, the area when static target is more than or equal to preset area, starts deicer, deicer with
After the fixed duty cycle works to remove static target, further includes:
At least two images are obtained by camera body；
It executes again described by described the step of at least two images are compared, find out static target in image.
Further, the number of starts of the deicer in preset duration is obtained；
Judge whether the number of starts is greater than or equal to preset times；
If so, issuing alarm signal.
Further, after the number of starts is greater than or equal to preset times, further includes:
At least two images are obtained by camera body；
At least two images are compared, static target in image is found out；
Calculate the area of static target；
Judge whether the area of static target is greater than or equal to preset area；
If so, issuing alarm signal, otherwise issues to remove and complete signal.
Further, further include following sub-step: real-time monitoring manually starts instruction, and starts according to instruction is manually started
Deicer.
Further, the deicer is worked with the mode sprayed water after first jetting liquid deicing salt.
The advantageous effects that the present invention is played are as follows:
Compared with prior art, the invention discloses a kind of vehicle-mounted camera with deicing function, the vehicle-mounted camera is logical
Arranging deicer is crossed, can be realized and the frost on camera lens surface is purged, even if keeping camera body lower, wet in temperature
Spending in biggish environment can be used normally, and ensure that good image display effect.In addition, the vehicle that deicer will be equipped with
It carries camera and vehicle control syetem communicates to connect, the automatic detection and removing to camera lens surface frost may be implemented, conducive to changing
The usage experience of kind client.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the vehicle-mounted camera that the present invention has deicing function.
Fig. 2 is the cross-sectional view for the vehicle-mounted camera that the present invention has deicing function.
Fig. 3 is the connection relationship diagram between vehicle control syetem of the present invention and first pressure pump, second pressure pump.
Fig. 4 is the flow diagram of vehicle-mounted camera de-icing method of the present invention.
Appended drawing reference:
1- camera body, 11- camera lens, the clamping portion 12-, 2- deicer, 21- tubular shell, 22- first jet, 23- second
Nozzle, 24- lid.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention are more
It is easily readily appreciated by one skilled in the art, to make apparent define to protection scope of the present invention.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of vehicle-mounted camera with deicing function, including camera body are present embodiments provided
1, camera body 1 is equipped with camera lens 11, and the temperature sensor of temperature for identification is equipped inside camera body 1.Temperature
Sensor judges whether 11 surface of camera lens has the frost to be formed for the temperature inside real-time monitoring camera body 1, help
It may.A possibility that having been generally acknowledged that 11 surface temperature of camera lens is lower, generating frost is bigger.The camera body 1 is connected with deicing
Device 2, deicer 2 are used to remove the frost on 11 surface of camera lens.Deicer 2 includes tubular shell 21 and is arranged in tubular
The first transfer pipeline and the second transfer pipeline inside shell 21.Tubular shell 21, the first transfer pipeline and the second transfer pipeline
The sum of hollow tube made of rubber, and outer diameter of the first transfer pipeline and the second transfer pipeline are all made of less than tubular shell 21
Internal diameter.First transfer pipeline is connected with first jet 22 in one end corresponding with camera lens 11, and the other end is equipped with liquid reserve tank, and liquid reserve tank is used
In storage liquid deicing salt, liquid deicing salt uses commercially available liquid deicing salt.The liquid reserve tank is pumped by first pressure
It is connected with the first transfer pipeline, first pressure is pumped for the liquid deicing salt in liquid reserve tank to be delivered to by the first transfer pipeline
First jet 22 is sprayed to camera lens surface by first jet 22.Second transfer pipeline connects in one end corresponding with camera lens 11
There is second nozzle 23, second nozzle 23 and first jet 22 are arranged side by side.The other end of second transfer pipeline is equipped with water tank, storage
Water tank is for storing water.The water tank is pumped by second pressure to be connected with the second transfer pipeline, and second pressure pump will be for that will store up
Water in water tank is sent to second nozzle 23 through the second transfer pipeline, and is sprayed to camera lens surface by second nozzle 23.
Preferably, first jet 22 and second nozzle 23 take front end size big, and the small structure of tail end size, tail
End is i.e. by one end of portrait attachment, that is, sprays one end of water or liquid deicing salt.The design of the structure is to increase by first
The pressure of nozzle 22 and second nozzle 23 is realized and is removed to the high pressure of 11 surface frost of camera lens.The operating mode of deicer 2 is
First jetting liquid deicing salt sprays deionized water again, it is therefore an objective to it is melted first with frost of the liquid deicing salt to 11 surface of camera lens,
Water is recycled to remove the frost of ablation and liquid deicing salt from 11 surface of camera lens together.
Wherein, first pressure pump and second pressure pump are communicated to connect with vehicle control syetem respectively, the vehicle-mounted control system
Solenoid valve is equipped between system and first pressure pump, second pressure pump, vehicle control syetem triggers first pressure by solenoid valve and pumps
With the switch of second pressure pump.The boot sequence of first pressure pump and second pressure pump can be carried out pre- by vehicle control syetem
If such as first starting second pressure pumps while starting first pressure pump and second pressure pump while starting after starting first pressure pump.
Vehicle control syetem pumps first pressure, the switch control of second pressure pump can be and automatically be also possible to manually, vehicle-mounted
Control planning between control system and first pressure pump, second pressure pump is as shown in Figure 3.Specifically, in vehicle control syetem
First control circuit and second control circuit, the default shape of first control circuit and second control circuit are equipped between solenoid valve
State is to disconnect.When vehicle control syetem detects that doubtful frost information occurs in 11 surface of camera lens, first control circuit is connected,
Vehicle control syetem starts first pressure pump, second pressure according to default boot sequence by first control circuit and solenoid valve
Pump makes deicer 2 carry out deicing to 11 surface of camera lens according to the fixed duty cycle.3-5 points are generally set to around fixed work
Clock, preferably 4 minutes.Within a fixed duty cycle, the spraying time of liquid deicing salt and water can also be according to actual needs
It is set, setting process is completed by vehicle control syetem.Generally in order to melt frost thoroughly, the sprinkling of liquid deicing salt
Time is twice of water spraying time.After a duty cycle, vehicle control syetem is again to the frost on 11 surface of camera lens
Information is detected, it is determined whether restarting deicer 2.But it either is in off working state in deicer 2, still
State in automatic de-icing, if vehicle control syetem receive it is externally input manually start instruction, soon disconnect
One control circuit connects second control circuit, pumped by second control circuit and solenoid valve by preset order starting first pressure,
Second pressure pump makes deicer 2 carry out deicing to 11 surface of camera lens according to the fixed duty cycle.When one of deicer 2
After duty cycle, deicer 2 stops working.Certainly, driver can also be by inputting halt instruction, by deicer
2 stop before the duty cycle terminates.If it is no it is new manually start instruction input, second control circuit is just constantly in disconnection shape
State.
Preferably, can only be arranged one between liquid reserve tank, water tank and the first transfer pipeline, the second transfer pipeline
A pressure pump makes pressure pump between liquid reserve tank and the first transfer pipeline, flexibly switches between water tank and the second transfer pipeline
?.When needing to spray liquid deicing salt, pressure pump is accessed between liquid reserve tank and the first transfer pipeline, it will by pressure pump
Liquid deicing salt in liquid reserve tank is sent to first jet 22 through the first transfer pipeline；When needing spray water, vehicle-mounted control system
System cuts pressure pump between water tank and the second transfer pipeline, by pressure pump by the water in water tank through the second transfer pipeline
It is delivered to second nozzle 23.The cut-in method of the pressure pump saves the usage quantity of the pump housing, conducive to cost is reduced.
Preferably, the tubular shell 21 is connected with lid in one end corresponding with first jet 22, second nozzle 23
24, the lid 24 is hollow frustum cone structure, and 24 lower end of lid connect with the threaded upper ends of tubular shell 21, lid 24 it is interior
Diameter gradually becomes smaller from the bottom to top, and hole knot corresponding with first jet 22, second nozzle 23 is respectively equipped on the side wall of lid 24
Structure.Position of the setting of lid 24 for a nozzle 22 and second nozzle 23 is fixed, and makes its position between camera lens 11
The relationship of setting is fixed, and the rotation of first jet 22 and second nozzle 23 in tubular shell 21 is avoided.
Camera body 1 is equipped with clamping portion 12, clamping portion 12 and camera body 1 in side corresponding with deicer 2
It is fixedly connected.The shell integrated injection molding of clamping portion 12 and camera body 1.It is equipped with inside clamping portion 12 and tubular shell
21, the card hole that lid 24 matches, lid 24 and tubular shell 21 after being spirally connected be connected in card hole realize deicer 2 with
Camera body 1 is fixedly connected.The clamping portion 12 is offering phase with first jet 22,23 opposite position of second nozzle
Matched pore structure is additionally provided with shield on the outside of pore structure, and shield is flexibly connected with clamping portion 12.When needing to start deicing
When device 2, shield is opened, exposes the liquid outlet of first jet 22 and second nozzle 23, convenient for cleaning to camera lens 11；
After deicer 2 is closed, it can be closed shield, the liquid outlet of first jet 22 and second nozzle 23 is formed and is protected, is kept away
The impurity exempted from air enters.
Embodiment 2:
As shown in figure 4, present embodiments providing a kind of vehicle-mounted camera de-icing method, removed based on having described in embodiment 1
The vehicle-mounted camera of ice function, includes the following steps:
The temperature of camera body 1 is obtained by temperature sensor, and the temperature of camera body 1 is set with vehicle control syetem
The temperature threshold set is compared.Vehicle control syetem joins the essential condition that the temperature of camera body 1 is generated as frost
Number, it is considered that the more lower easier generation frost of temperature.Temperature threshold can be manually entered by driver, be also possible to vehicle-mounted control
System processed is according to the calculated critical-temperature for generating frost of current environment humidity.
When 1 temperature of camera body is lower than temperature threshold, vehicle control syetem thinks that 11 surface of camera lens forms frost
Possibility is larger, and vehicle control syetem starts camera body 1 at this time, obtains at least two images by camera body 1；
At least two images are compared, the shifting in image is found out according to the environment constantly converted in vehicle travel process
Dynamic information, and then determine the static target in image.Usual picture number is more, and adjacent picture acquisition time interval is longer, quiet
The only easier determination of target.Static target once it is determined that, static target can be defaulted as frost to be cleaned by vehicle control syetem.
The area of static target is calculated, the area of static target can be the sum of the area of all static targets in image,
It is also possible to the area of largest static target.In contrast, it is contemplated that the biggish static target of area is to the letter obtained in image
Sound of retiring into private life is bigger, therefore the area of the static target in the present embodiment refers to the area of largest static target.
When the area of static target is more than or equal to preset area, starting deicer 2, deicer 2 is to fix work week
Phase works to remove static target.The fixed duty cycle can be artificially arranged by vehicle control syetem, generally fixed work
Period is 3-5 minutes, preferably 4 minutes.The operating mode of deicer also there are many, such as jetting liquid deicing salt again of first spraying water is last
Water spray, liquid deicing salt and water ejection etc. simultaneously after water spray, first jetting liquid deicing salt, generally to spray water after first jetting liquid deicing salt
Operating mode be best.
After the fixation work end cycle of deicer 2, at least two images are reacquired by camera body 1.
Then it executes again described by described the step of at least two images are compared, find out static target in image.
By the calculating to static target in image and compared with preset area, may be implemented to deicer 2
Repeatedly automatic starting reaches the elimination effect to 11 surface frost of camera lens until the area of static target is less than preset area.This
In embodiment, camera shooting figure main body 1 obtains two images and is compared, to find out static target, but when the acquisition of two images
Between need control in 5s or more so that mobile message in two images has apparent difference, improve recognition accuracy.
Certainly, during above-mentioned automatic de-icing, to avoid vehicle control syetem by the scratch misidentification on 11 surface of camera lens
Start deicer 2 repeatedly for frost to be cleaned, deicer 2 is made to fall into Infinite Cyclic start-up course.Vehicle control syetem
Can exercise supervision to the number of starts of deicer 2, i.e., by the number of starts of monitoring deicer 2 judge static target can
Scavenging, specific monitor procedure are as follows:
The number of starts of the deicer 2 in preset duration is obtained, the present embodiment is by the preset duration of vehicle control syetem
Be set as 12 minutes, i.e., vehicle control syetem every 12 minutes the just number of starts to deicer 2 in this 12 minutes automatically
Do primary monitoring；
Judging whether the number of starts is greater than or equal to preset times, preset times are 3 times,；
If the number of starts is greater than or equal to preset times, the stationary information on 11 surface of camera lens is judged as by vehicle control syetem can not
It is larger to remove or remove difficulty, as camera lens 11 is scraped off or is defaulted as that in itself expected effect can not be reached by deicer 2
Fruit then issues alarm signal at this time, causes the attention of driver.It is artificial right that the sending of alarm signal passes through in time conducive to driver
11 surface of camera lens carries out examination and maintenance, to guarantee the normal use of camera lens 11.
Embodiment 3:
The present embodiment is similar to Example 2, preferably, during automatic de-icing, to avoid vehicle control syetem will
The scratch on 11 surface of camera lens is mistakenly considered frost to be cleaned and starts deicer 2 repeatedly, so that deicer 2 is fallen into Infinite Cyclic and opens
Dynamic process.Vehicle control syetem can exercise supervision to the number of starts of deicer 2, be sentenced by the number of starts of deicer 2
The erasability of disconnected static target, specific monitor procedure are as follows:
Obtain the number of starts of the deicer 2 in preset duration；
Judge whether the number of starts of deicer 2 is greater than or equal to preset times；
If the number of starts of deicer 2 is greater than or equal to preset times, at least two figures are obtained by camera body 1
Picture, the present embodiment obtain two images；
At least two images are compared, static target in image is found out；
Calculate the area of static target；
Judge whether the area of static target is greater than or equal to preset area；
If so, issuing alarm signal, otherwise issues to remove and complete signal.
Compared with the monitor procedure of the deicer number of starts in embodiment 2, the starting of deicer 2 disclosed in the present embodiment
The monitor procedure of number not only acquires the number of starts, but also is greater than or equal to the condition of preset times in the number of starts
Under, at least two images are obtained again by camera body 1, and the static target in image is acquired and compared.
The effect Jing Guo multiple deicing is judged, avoids issuing alarm signal under conditions of the good results after multiple deicing
Number, unnecessary influence is caused on driver.That is to say, monitor procedure disclosed in the present embodiment be greater than just for the number of starts or
Equal to preset times, and collected static target is greater than or equal to preset area, just issues alarm signal to driver, improves
The accuracy of alarm signal, accurate understanding conducive to driver to deicing effect.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of vehicle-mounted camera with deicing function, which is characterized in that including camera body (1), camera body (1)
It is equipped with camera lens (11), the camera body (1) is connected with deicer (2), and deicer (2) is for removing camera lens (11) table
The frost in face；The deicer (2) includes tubular shell (21) and setting first conveying internal in tubular shell (21)
Pipeline, first transfer pipeline are connected with first jet (22) in one end corresponding with camera lens (11), and the other end is equipped with liquid reserve tank,
For storing liquid deicing salt, the liquid reserve tank is pumped by first pressure to be connected liquid reserve tank with the first transfer pipeline, and described first
Pressure pump and vehicle control syetem communicate to connect.
2. a kind of vehicle-mounted camera with deicing function as described in claim 1, which is characterized in that the tubular shell (21)
Inside is additionally provided with the second transfer pipeline, and second transfer pipeline is connected with second nozzle in one end corresponding with camera lens (11)
(23), the other end is equipped with water tank, and the water tank is pumped by second pressure to be connected with the second transfer pipeline.
3. a kind of vehicle-mounted camera with deicing function as claimed in claim 2, which is characterized in that the tubular shell (21)
Be connected with lid (24) in one end corresponding with first jet (22), second nozzle (23), be respectively equipped on the lid (24) with
First jet (22), the corresponding pore structure of second nozzle (23).
4. a kind of vehicle-mounted camera with deicing function as claimed in claim 3, which is characterized in that the camera body
(1) clamping portion (12) are equipped with, the clamping portion (12) is mutually clamped with deicer (2), and the clamping portion (12) is sprayed with first
Mouth (22), second nozzle (23) opposite position are equipped with shield.
5. a kind of vehicle-mounted camera de-icing method, based on a kind of vehicle-mounted pick-up with deicing function described in claim 1-4
Head, which comprises the steps of:
Camera body (1) temperature is obtained, camera body (1) temperature is compared with temperature threshold；
When camera body (1) temperature is lower than temperature threshold, at least two images are obtained by camera body (1)；
At least two images are compared, static target in image is found out；
Calculate the area of static target；
When the area of static target is more than or equal to preset area, starting deicer (2), deicer (2) is to fix work week
Phase works to remove static target.
6. a kind of vehicle-mounted camera de-icing method as claimed in claim 5, which is characterized in that described when the area of static target is big
In being equal to preset area, start deicer (2), deicer (2) is worked with fixing the duty cycle to remove static mesh
After mark, further includes:
At least two images are obtained by camera body (1)；
It executes again described by described the step of at least two images are compared, find out static target in image.
7. a kind of vehicle-mounted camera de-icing method as claimed in claim 6, which is characterized in that
Obtain the number of starts of the deicer (2) in preset duration；
Judge whether the number of starts is greater than or equal to preset times；
If so, issuing alarm signal.
8. a kind of vehicle-mounted camera de-icing method as claimed in claim 7, which is characterized in that be greater than or wait in the number of starts
After preset times, further includes:
At least two images are obtained by camera body (1)；
At least two images are compared, static target in image is found out；
Calculate the area of static target；
Judge whether the area of static target is greater than or equal to preset area；
If so, issuing alarm signal, otherwise issues to remove and complete signal.
9. a kind of vehicle-mounted camera de-icing method as described in any one of claim 5 ~ 8, which is characterized in that further include following son
Step:
Real-time monitoring manually starts instruction, and starts deicer (2) according to instruction is manually started.
10. a kind of vehicle-mounted camera de-icing method as described in any one of claim 5-8, which is characterized in that the deicing dress
(2) are set to work with the mode sprayed water after first jetting liquid deicing salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253652.9A CN110139010A (en) | 2019-03-30 | 2019-03-30 | A kind of camera and its control method with deicing function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910253652.9A CN110139010A (en) | 2019-03-30 | 2019-03-30 | A kind of camera and its control method with deicing function |
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| Publication Number | Publication Date |
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| CN110139010A true CN110139010A (en) | 2019-08-16 |
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| CN201910253652.9A Pending CN110139010A (en) | 2019-03-30 | 2019-03-30 | A kind of camera and its control method with deicing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20190816 |